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Diffstat (limited to 'lib/isc/tests/sockaddr_test.c')
| -rw-r--r-- | lib/isc/tests/sockaddr_test.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/lib/isc/tests/sockaddr_test.c b/lib/isc/tests/sockaddr_test.c new file mode 100644 index 0000000..6719a6e --- /dev/null +++ b/lib/isc/tests/sockaddr_test.c @@ -0,0 +1,188 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#if HAVE_CMOCKA + +#include <sched.h> /* IWYU pragma: keep */ +#include <setjmp.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stddef.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define UNIT_TESTING +#include <cmocka.h> + +#include <isc/netaddr.h> +#include <isc/print.h> +#include <isc/sockaddr.h> +#include <isc/util.h> + +#include "isctest.h" + +static int +_setup(void **state) { + isc_result_t result; + + UNUSED(state); + + result = isc_test_begin(NULL, true, 0); + assert_int_equal(result, ISC_R_SUCCESS); + + return (0); +} + +static int +_teardown(void **state) { + UNUSED(state); + + isc_test_end(); + + return (0); +} + +/* test sockaddr hash */ +static void +sockaddr_hash(void **state) { + isc_sockaddr_t addr; + struct in_addr in; + struct in6_addr in6; + unsigned int h1, h2, h3, h4; + int ret; + + UNUSED(state); + + in.s_addr = inet_addr("127.0.0.1"); + isc_sockaddr_fromin(&addr, &in, 1); + h1 = isc_sockaddr_hash(&addr, true); + h2 = isc_sockaddr_hash(&addr, false); + assert_int_not_equal(h1, h2); + + ret = inet_pton(AF_INET6, "::ffff:127.0.0.1", &in6); + assert_int_equal(ret, 1); + isc_sockaddr_fromin6(&addr, &in6, 1); + h3 = isc_sockaddr_hash(&addr, true); + h4 = isc_sockaddr_hash(&addr, false); + assert_int_equal(h1, h3); + assert_int_equal(h2, h4); +} + +/* test isc_sockaddr_isnetzero() */ +static void +sockaddr_isnetzero(void **state) { + isc_sockaddr_t addr; + struct in_addr in; + struct in6_addr in6; + bool r; + int ret; + size_t i; + struct { + const char *string; + bool expect; + } data4[] = { + { "0.0.0.0", true }, { "0.0.0.1", true }, + { "0.0.1.0", true }, { "0.1.0.0", true }, + { "1.0.0.0", false }, { "0.0.0.127", true }, + { "0.0.0.255", true }, { "127.0.0.1", false }, + { "255.255.255.255", false }, + }; + /* + * Mapped addresses are currently not netzero. + */ + struct { + const char *string; + bool expect; + } data6[] = { + { "::ffff:0.0.0.0", false }, + { "::ffff:0.0.0.1", false }, + { "::ffff:0.0.0.127", false }, + { "::ffff:0.0.0.255", false }, + { "::ffff:127.0.0.1", false }, + { "::ffff:255.255.255.255", false }, + }; + + UNUSED(state); + + for (i = 0; i < sizeof(data4) / sizeof(data4[0]); i++) { + in.s_addr = inet_addr(data4[i].string); + isc_sockaddr_fromin(&addr, &in, 1); + r = isc_sockaddr_isnetzero(&addr); + assert_int_equal(r, data4[i].expect); + } + + for (i = 0; i < sizeof(data6) / sizeof(data6[0]); i++) { + ret = inet_pton(AF_INET6, data6[i].string, &in6); + assert_int_equal(ret, 1); + isc_sockaddr_fromin6(&addr, &in6, 1); + r = isc_sockaddr_isnetzero(&addr); + assert_int_equal(r, data6[i].expect); + } +} + +/* + * test that isc_sockaddr_eqaddrprefix() returns true when prefixes of a + * and b are equal, and false when they are not equal + */ +static void +sockaddr_eqaddrprefix(void **state) { + struct in_addr ina_a; + struct in_addr ina_b; + struct in_addr ina_c; + isc_sockaddr_t isa_a; + isc_sockaddr_t isa_b; + isc_sockaddr_t isa_c; + + UNUSED(state); + + assert_true(inet_pton(AF_INET, "194.100.32.87", &ina_a) >= 0); + assert_true(inet_pton(AF_INET, "194.100.32.80", &ina_b) >= 0); + assert_true(inet_pton(AF_INET, "194.101.32.87", &ina_c) >= 0); + + isc_sockaddr_fromin(&isa_a, &ina_a, 0); + isc_sockaddr_fromin(&isa_b, &ina_b, 42); + isc_sockaddr_fromin(&isa_c, &ina_c, 0); + + assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 0)); + assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 29)); + assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 8)); + + assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 30)); + assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 32)); + assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 16)); +} + +int +main(void) { + const struct CMUnitTest tests[] = { + cmocka_unit_test_setup_teardown(sockaddr_hash, _setup, + _teardown), + cmocka_unit_test(sockaddr_isnetzero), + cmocka_unit_test(sockaddr_eqaddrprefix), + }; + + return (cmocka_run_group_tests(tests, NULL, NULL)); +} + +#else /* HAVE_CMOCKA */ + +#include <stdio.h> + +int +main(void) { + printf("1..0 # Skipped: cmocka not available\n"); + return (SKIPPED_TEST_EXIT_CODE); +} + +#endif /* if HAVE_CMOCKA */ |